PET Food Processing - June 2020 - 30

INGREDIENTS

"Knowing where in the process to
add antioxidant, how much to add
and what antioxidant to use
are critical to understanding
how to stabilize pet foods."
Jim Mann, Kemin Nutrisurance

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30

bound to a ligand, a protein or amino
acid, which reduces the antagonistic
effects in a diet matrix and increases
mineral bioavailability. By limiting
the reactive capabilities of metals, you
can help reduce substrates available for
destructive reactions."
In high-meat and fresh-meat pet
foods, microencapsulated acidulants
help with stability.
"These acidulants, such as lactic and
citric acids, may be derived from natural fermentation processes," Altom
said. "Through the strategic use of microencapsulation, we are able to better
control the pH of the total matrix. By
reducing the pH of the matrix, we can
create a hurdle for bacteria growth,
prevent loss of moisture and natural
flavonoids, and support more shelfstable products.
"Many natural antioxidants can
be pH sensitive for optimal performance," Altom continued. "Therefore,
leveraging an encapsulated acidulant
may help enrich the environment and
help maintain optimal performance
of antioxidants."
Kemin Industries, Des Moines,
Iowa, has varied options to support pet food companies in assuring product freshness. In addition to
producing time-tested synthetic antioxidants, the company has actively
been involved in the antioxidant shift
toward natural plant-based options.
This includes mixed-tocopherols and
plant-based extracts.
"Knowing where in the process to
add antioxidants, how much to add
and what antioxidant to use are critical to understanding how to stabilize
pet foods," said Jim Mann, senior
global product manager with Kemin
Nutrisurance's Antioxidant and Food
Safety Platform. "As pet food formulations change and use novel ingredients and more unsaturated fats, this
can become more challenging and
can require extensive testing and collaboration with antioxidant suppliers to identify the best antioxidant
stabilization strategy."

PET FOOD PROCESSING | June 2020 | www.petfoodprocessing.net

PFP_Jun20.indb 30

5/15/2020 3:05:23 PM


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PET Food Processing - June 2020

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